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Dr. William Arroyo, MD
NPI1285701821
- Publications
- 2
- Industry payments
- $164
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 550 S Vermont Ave, Los Angeles, CA 90020-1912
- Practice phone
- Call (213) 738-6152
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Arroyo's professional email, personal email and mobile number
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Dr. William Arroyo is a psychiatrist in Los Angeles, California
Dr. Arroyo practices in Los Angeles, California.
Dr. Arroyo's NPI, 1285701821, was assigned on November 29, 2006. Dr. Arroyo graduated from David Geffen School of Medicine at UCLA in 1978. Dr. Arroyo's California license number on file is G41407.
NPI and contact details
- NPI
- 1285701821NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (213) 738-6152
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. William Arroyo's practice address is in Los Angeles, California
Dr. Arroyo's practice address in the NPI Registry is 550 S Vermont Ave, Los Angeles, CA 90020-1912. The practice phone is (213) 738-6152.
- NPI Registry address550 S Vermont Ave, Los Angeles, CA 90020-1912Phone(213) 738-6152
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Arroyo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arroyo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Arroyo's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Arroyo is one of 6,803 psychiatrists in California
Psychiatry is Dr. Arroyo's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Arroyo is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Arroyo has a license on file in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Arroyo
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Arroyo has 2 publications on record
Dmand AI links 2 papers to Dr. Arroyo in 2021. Dr. Arroyo's most frequent co-author is Jorien Gemma Campbell, MD.
Papers2
Dr. Arroyo's most frequent co-authors
Recent publications by Dr. Arroyo
Int J Prison Health
Community-Institutional RelationsCooperative BehaviorCrisis Intervention
See who Dr. Arroyo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arroyo works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Arroyo received $164 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Arroyo from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $164.
Companies that paid Dr. Arroyo the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Arroyo graduated from David Geffen School of Medicine at UCLA
Dr. Arroyo graduated from David Geffen School of Medicine at UCLA in 1978. Dr. Arroyo is a member of APA and CMA.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. William Arroyo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Arroyo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Arroyo's NPI number?
Dr. William Arroyo's NPI number is 1285701821. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Arroyo?
Dr. William Arroyo is a psychiatrist in Los Angeles, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. William Arroyo practice?
Dr. Arroyo practices at 550 S Vermont Ave, Los Angeles, CA 90020-1912.
What is Dr. William Arroyo's office phone number?
The practice phone on file for Dr. Arroyo is (213) 738-6152.
What is Dr. William Arroyo's medical license number?
Dr. Arroyo's California license number on file is G41407.
Is Dr. William Arroyo board certified?
Yes. Dr. Arroyo is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. William Arroyo go to medical school?
Dr. Arroyo graduated from David Geffen School of Medicine at UCLA in 1978.
Has Dr. William Arroyo received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to Dr. Arroyo from 1 company from 2021 to 2021. The largest total came from Stryker Corporation.
How long has Dr. William Arroyo been practicing?
Dr. Arroyo graduated from medical school in 1978, 48 years ago.
Does Dr. William Arroyo do research?
Dmand AI links 2 publications to Dr. Arroyo.
Who does Dr. William Arroyo publish with?
Dr. Arroyo's most frequent co-authors are Jorien Gemma Campbell, MD (1 shared paper).
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